package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags="菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 新增菜品
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //精确清理缓存数据，而不是清理全部缓存
        String key="dish_"+dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }
    /**
     * 菜品分页查询
     */
@GetMapping("/page")
@ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
    log.info("菜品分页查询");
    PageResult pageResult=dishService.pageQUery(dishPageQueryDTO);
    return Result.success(pageResult);
}
/**
 * 删除菜品
 */

@DeleteMapping
@ApiOperation("菜品批量删除")
public Result delete(@RequestParam List<Long> ids){
    log.info("菜品批量删除:{}",ids);
    dishService.deleteBatch(ids);
    //清理缓存数据:将所有菜品的缓存数据清理掉，所有以dish_开头的key
    cleanCache("*dish_*");
    return null;
}
    /**
     * 根据id查询菜品
     */
@GetMapping("/{id}")
@ApiOperation("根据id查询菜品")
    public Result <DishVO> getById(@PathVariable Long id){
    log.info("根据id查询菜品{}",id);
    DishVO dishVO=dishService.getByIdWithFlavor(id);
    return Result.success(dishVO);
}
@PutMapping
@ApiOperation("修改菜品")
public Result update(@RequestBody DishDTO dishDTO){
    log.info("修改菜品");
    dishService.updateWithFlavor(dishDTO);
    //清理缓存数据:将所有菜品的缓存数据清理掉，所有以dish_开头的key
    cleanCache("*dish_*");
    return Result.success();
}
    /**
     * 菜品起售停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result<String> startOrStop(@PathVariable Integer status, Long id) {
        dishService.startOrStop(status, id);
        //清理缓存数据:将所有菜品的缓存数据清理掉，所有以dish_开头的key
        cleanCache("*dish_*");
        return Result.success();
    }
    /**
     *根据分类id查询菜品
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }
    //清理缓存数据
    private void cleanCache(String pattern){
        Set Keys=redisTemplate.keys(pattern);
        redisTemplate.delete(Keys);
    }
}

